diff -r eb3e2a5c2bcd -r 3b1afeb49a20 test/hotspot/jtreg/runtime/CommandLine/VMDeprecatedOptions.java
--- a/test/hotspot/jtreg/runtime/CommandLine/VMDeprecatedOptions.java	Tue Nov 26 17:00:57 2019 +0100
+++ b/test/hotspot/jtreg/runtime/CommandLine/VMDeprecatedOptions.java	Wed Nov 27 10:19:45 2019 +0100
@@ -48,6 +48,7 @@
         {"AllowRedefinitionToAddDeleteMethods", "true"},
         {"CompactFields", "true"},
         {"FieldsAllocationStyle", "1"},
+        {"UseParallelOldGC", "false"},
 
         // deprecated alias flags (see also aliased_jvm_flags):
         {"DefaultMaxRAMFraction", "4"},